<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Feed_Writer
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Source.php 23775 2011-03-01 17:25:24Z ralph $
 */

require_once 'Zend/Feed/Writer/Renderer/Feed/Atom/AtomAbstract.php';

/**
 * @category   Zend
 * @package    Zend_Feed_Writer
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Feed_Writer_Renderer_Feed_Atom_Source extends Zend_Feed_Writer_Renderer_Feed_Atom_AtomAbstract implements Zend_Feed_Writer_Renderer_RendererInterface {
	
	/**
	 * Constructor
	 *
	 * @param  Zend_Feed_Writer_Feed_Source $container
	 * @return void
	 */
	public function __construct(Zend_Feed_Writer_Source $container) {
		parent::__construct ( $container );
	}
	
	/**
	 * Render Atom Feed Metadata (Source element)
	 *
	 * @return Zend_Feed_Writer_Renderer_Feed_Atom
	 */
	public function render() {
		if (! $this->_container->getEncoding ()) {
			$this->_container->setEncoding ( 'UTF-8' );
		}
		$this->_dom = new DOMDocument ( '1.0', $this->_container->getEncoding () );
		$this->_dom->formatOutput = true;
		$root = $this->_dom->createElement ( 'source' );
		$this->setRootElement ( $root );
		$this->_dom->appendChild ( $root );
		$this->_setLanguage ( $this->_dom, $root );
		$this->_setBaseUrl ( $this->_dom, $root );
		$this->_setTitle ( $this->_dom, $root );
		$this->_setDescription ( $this->_dom, $root );
		$this->_setDateCreated ( $this->_dom, $root );
		$this->_setDateModified ( $this->_dom, $root );
		$this->_setGenerator ( $this->_dom, $root );
		$this->_setLink ( $this->_dom, $root );
		$this->_setFeedLinks ( $this->_dom, $root );
		$this->_setId ( $this->_dom, $root );
		$this->_setAuthors ( $this->_dom, $root );
		$this->_setCopyright ( $this->_dom, $root );
		$this->_setCategories ( $this->_dom, $root );
		
		foreach ( $this->_extensions as $ext ) {
			$ext->setType ( $this->getType () );
			$ext->setRootElement ( $this->getRootElement () );
			$ext->setDomDocument ( $this->getDomDocument (), $root );
			$ext->render ();
		}
		return $this;
	}
	
	/**
	 * Set feed generator string
	 *
	 * @param  DOMDocument $dom
	 * @param  DOMElement $root
	 * @return void
	 */
	protected function _setGenerator(DOMDocument $dom, DOMElement $root) {
		if (! $this->getDataContainer ()->getGenerator ()) {
			return;
		}
		
		$gdata = $this->getDataContainer ()->getGenerator ();
		$generator = $dom->createElement ( 'generator' );
		$root->appendChild ( $generator );
		$text = $dom->createTextNode ( $gdata ['name'] );
		$generator->appendChild ( $text );
		if (array_key_exists ( 'uri', $gdata )) {
			$generator->setAttribute ( 'uri', $gdata ['uri'] );
		}
		if (array_key_exists ( 'version', $gdata )) {
			$generator->setAttribute ( 'version', $gdata ['version'] );
		}
	}

}
